Boltless plowshare.



PATENTED AUG. '7, 1906.

P. HUFF. BOLTLESS PLOWSHARE.

APPLICATION FILED MAR. 30, 1906.

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BOLTLESS PLOWSHARB. APPLICATION FILED MAR. 30, 1906.

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.ITNITED STATES PATENT OFFICE.

FURMAN HUFF, OF GALDWELLQKANSAS, ASSIGNQR (DE ONE-HALFFTO S. M.-*SHAUL,- OF CALDWELL, KANSAS.

BOLTLESS FLOWS-HARE.

Specification of Letters Patent.

:PatentedAugi'Y, 1906.

.Application filed March 30, 1906. Serial No. 308,923.

To-ctZZ whom it may-concern:

Beit known that I, FURMAN'HUFF," a citizen of. the UnitedStates, residingat Galddetachment of said share after samehas becomeworn and attachment of a new share in substitution therefor.

The invention resides in novel details of construction, the operation and advantages 7 ofwhich will-appear -.more fullyas the description proceeds.

.For a full understanding of the-invention and thelmerits thereof andalso to acquire a knowledge of. the details of construction of the meansforeffecting the result reference is to behad to the-followingdescriptionand. accompanying drawings, in.which- Figure 1 is a perspective view of a plowshare in operative position including the mechanism embodying the invention. Fig. 2 is a rear elevation of the share. Fig. 3 is a section on the line X X of Fig. 1. Fig. 4 is a section on the line Y Y of Fig. 1. Fig. 5 is a perspective view of the slide plate and adj acent parts separated. Fig. 6 is a section on the line Z Z of Fig. 1. Fig. 7 is a vertical section showing the socket in which the front end of the throat-plate is seated. Fig. 8 shows clearly the lug at the front edge of the moldboard which engages in the groove in the rear vertical portion of the share. Fig. 9 is a section on the line 9 9 of Fig. 2 looking upwardly.

Corresponding and like parts are referred to in the following description and indicated in all the views of the drawings by the same reference characters.

y In the drawings, the numeral 1 designates the moldboard, the numeral 2 the landside, the numeral 3 the share, and the numeral 4 a throat-plate by which the moldboard is connected with the landside and which cooperates with the share in an evident manner. Suitable fastenings attach the parts 1, 2, and 4 together, said parts being designed to be secured permanently for all general purposes. The share 3 is formed with a vertical wing 5 at its lower end, constituting a continuation of the. landside .2, the. rear end portion-of whichis'providedwith a socket: or recess; 6 to receive. the lower front end portion of the thro at-plate 4, the .latter being of somewhat angular form embodying ahorizontal-portion attached to the landside. and a vertically-arranged portion secured to the ,moldboard. The front end of the throatsplate has. a sortof .wedging action-in thesocket or .recess 6, fitting snugly thereinin order to obviatelooseness or play of the parts in actual use. A-lug ,7, projecting from theouter side of the throat-plate 4, is .adapted to engage in .a

, groove-.8 in the rear edge portionof the share 3, so; as to interlock therewith,.the.parts fitting snugly-at' this point also, so that the outer face-of .the share will be fiushwith the outer sideof the moldboard in the customary way.

As before premised, special .means is provided for securing the share detachably to the moldboard and other parts .adjacent thereto. Suchmeans; is comprised in a slideplate 9,,mounted1upona bracket 10, attached tothe inner-side.and-.upper portion of the moldboard: 1. The bracket 10, merely consists ofa platehaving a flatrlongitudinahportion upon which the slide-plate 9 slides, a suitable fastening attaching the plate 10 to the moldboard. A brace 11 is attached at its lower end to the heel of the landside 2, the upper end of the brace being attached by a fastening 12 to a guide-plate 13, secured to the plate 10 in spaced relation thereto. The slide-plate 9 moves between the guide-plate 13 and the bracket-plate 10, one end of the guide-plate 13 being of U form in cross-section to direct the longitudinal movement of the slide-plate 9. The fastening 12 passes through the brace 11 and the plates 9, 10, and 13, the plate 9 being formed with a slot 14 longitudinally thereof to receive said fastening 12 and permit of the longitudinal movement of the plate by actuating means provided therefor. The front end of the plate 9 has a lateral lug 15 projected therefrom to enter an opening or recess 16 in the rear upper portion of the share 3. The rear end of the plate 9 has an opening 17 therein to receive an eccentric disk 18, which is adapted for rotation with a stub-shaft 19, secured to a lever 20. The lever 20 operates in rear of the brace 11, and when pivotal movement .is imparted thereto the eccentric disk 18 is actuated to impart slidable movement to the slide-plate 9. When the lever 20 is moved downwardly, the slide-plate is drawn rear wardly, and the lug 15 having been previously engaged with the opening or recess 16 in the share 3 will thus positively pull said share rearwardly to cause the front end of the throat-plate 4 to move into the recess or socket 60f the share and also to cause the lug 7 to enter the groove 8 in the share. This operation will firmly attach the share to the moldboard and throatlate; but it will be readily seen that a simp e upward movement of the lever will quickly release this part of the plow and permit of removal thereof when it is worn, so that it may be replaced without loss of time and labor.

- Having thus described the invention, what is claimed as new is 1.- In a device of the class described, the combination of a landside, a moldboard, a

detachable share, means for securing said share to the moldboard and adjacent parts, a slide-plate mounted upon the inner side of the moldboard and having means to engage the share, said slide-plate being provided.

I with an opening in its rear end portion, guide means for the slide-plate, an eccentric disk operating-in the opening of the slide-plate,

and a lever connected with said eccentric disk to actuate the same and impart slidable movement to the slide-plate.

I '2, In a device of the class described, the combination of a landside, a moldboard, a throat plate connecting the landside and moldboard, a share provided with a socket to receive the front end of the throat-plate and havinga groove in its rear portion, a lug projecting from the throat-plate to enter the groove in the share, and an (gmrating device applied to the moldboard an provided with means for connection with the share and positively cause the throat-plate and'the lug of said throat-plate to engage with the share as specified.

3. In a device of the class described, the combination of a landside, a moldboard, a throat plate connecting the landside and moldboard, a share provided with a socket to receive the front end of the throat-plate and having a groove in its rear portion, a lug projecting from the throat-plate to enter the groove in the share, a brace connecting the heel of the landside with the upper portion of the moldboard, a bracket-plate secured to the rear side of the moldboard, a guide-plate attached to the bracket-plate in spaced relation thereto, a slide-plate movable between the bracket-plate and the guide-plate and having a lug to engage the share, a fastening passing through the upper end of the brace,

the guide-plate, and the bracket-plate to secure said parts together, the slide-plate havmg a slot intermediate of its ends to receive said fastening and also having its rear end provided with an opening, an eccentric disk arranged in the opening of the slide-plate, and an operating-lever connected with said disk to actuate the same and impart longitudinal movement to the slide-plate as specified.

In testimony whereof I affix my signature in presence of two witnesses.

FURMAN HUFF. Witnesses E. H. HALL, F. M. WILLIAMSON. 

